package com.maxuxu.chat.chat;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;

public class TalkReceiver implements Runnable{
    DatagramSocket socket = null;
    private int port;
    private String msgFrom;

    public TalkReceiver(int port, String msgFrom) {
        this.port = port;
        this.msgFrom = msgFrom;
        try {
            socket = new DatagramSocket(port);
        } catch (SocketException e) {
            e.printStackTrace();
        }
    }
    @Override
    public void run() {
        while (true) {
            try {
                // 准备接受包裹
                byte[] buffer = new byte[1024];
                DatagramPacket packet = new DatagramPacket(buffer,0,buffer.length);
                socket.receive(packet); // 阻塞式接受包裹

                // 断开连接
                byte[] data = packet.getData();
                String receiveData = new String(data, 0, data.length);

                System.out.println(msgFrom+receiveData.trim());
                if (receiveData.trim().equals("bye")){
                    break;
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
                socket.close();
    }

}
